World Book AdvancedMore appropriate for high school students, World Book Advanced highlights the depth of Primary Sources and free e-books that are available for reading on a computer or download. Search for items by Lexile score with an Advanced Search.World Book Reference CenterDescription: World Book Reference Center is tailored to the needs and skills of patrons of high school age and above, containing features such as computer and web tutorials, life skills, and collections of links to government web sites customized to your location. It also offers research tools, including dictionary, atlas, citation builder, and local and country research guides to help users compile data and information they need to complete their assignments and background research.